Name requested: Mycoacia fragilissimaMycologia 50 (2): 307, 308.
Homotypic synonym: Hydnum fragilissimumMycologia 25 (5): 364, 365. 50 (2): 307, 308. 57 (6): 854.
Homotypic synonym: Odontia fragilissimaPersoonia 2 (2): 226.
Homotypic synonym: Sarcodontia fragilissimaMycologia 57 (6): 854.
Homotypic synonym: Caldesiella fragilissimaMycology and Phytopathology 2 (3): 198.